An injury to the cervical spine caused by an abrupt jerking motion of the head, either backward or sideways as a reaction to smelling an offensive odor.

HAHHAHAHAHA That's funny. I have the upper hand in the workplace dumping as i'm usually working with all women. A potty all to my own though I seldom go at work. My body has trained itself and I usually don't get the urge til i'm right around the corner from home. Then its right in the house and straight to the can. Never fails...